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Kodiak Hydraulic Brake Hose - 3/16" Male Fittings w/ Stainless Flares - 1/8" ID - 15'

Kodiak Hydraulic Brake Hose - 3/16" Male Fittings w/ Stainless Flares - 1/8" ID - 15'

Item # bh-3mfs-15
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Kodiak Brake Line Components Accessories and Parts - BH-3MFS-15
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This flexible, rubber brake line acts as part of a trailer's hydraulic braking system. Stainless steel flares, brass fittings, and a high thread engagement help prevent splits, corrosion, and leaks. Includes 2 standard male flare nut fittings. Call 800-298-8924 to order Kodiak accessories and parts part number bh-3mfs-15 or order online at etrailer.com. Free expert support on all Kodiak products. Guaranteed Lowest Price and Fastest Shipping for Kodiak Hydraulic Brake Hose - 3/16" Male Fittings w/ Stainless Flares - 1/8" ID - 15'. Accessories and Parts reviews from real customers.
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  • Reviews (12)
  • Q & A (2)
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Kodiak Accessories and Parts - bh-3mfs-15

  • Trailer Brakes
  • Disc Brakes
  • Hydraulic Drum Brakes
  • Kodiak
  • Brake Lines
  • Brake Line Components
  • 15 Feet Long
  • Flexible Brake Hose

This flexible, rubber brake line acts as part of a trailer's hydraulic braking system. Stainless steel flares, brass fittings, and a high thread engagement help prevent splits, corrosion, and leaks. Includes 2 standard male flare nut fittings.


  • Brake line connects hydraulic brake actuator to trailer brakes when used with additional lines, tees, and fittings (sold separately)
  • Flexible design makes hose easier to install than a rigid steel brake line
  • Stainless steel flares resist corrosion and are stronger than brass to reduce splitting
    • Ideal for boat trailers
  • Deep threads improve connection to help prevent leaks
  • Rubber hose meets DOT and SAE standards
  • Brass, male swivel flare nut fittings on both ends
    • Swivels allow flare fittings to turn without the hose twisting
  • Double-crimped brass ferrules securely clamp fittings to hose
  • Open area on flare fittings lets you use a line wrench for better grip
    • Minimizes the risk of stripping threads


  • Hose length: 15'
    • With fittings: 15' 3"
  • Hose inner diameter: 1/8"
  • Fitting size: 3/16"
    • Thread size: 3/8"-24
  • 3-Year limited warranty

Flexible Rubber Brake Hose

This Kodiak brake hose is made of rubber, making it a practical choice for a variety of applications. Because you can easily bend it, a rubber hose is simpler to work with than a rigid stainless steel brake line. This flexibility makes a rubber hose great for use with foldaway trailer tongues because it is less likely to kink or break when bent. In addition, rubber hoses allow for a wide range of motion so articulating parts can effectively function. These qualities make rubber hoses better suited than steel lines for trailers with torsion axle suspension systems and trailers that have disc brakes.

Stainless steel brake lines have braided exteriors, which can not only wear against exterior surfaces, but also against the interior lining of the hose if dirt gets underneath the steel braid. And if the braid on a stainless steel line tears, it can cut into the hose lining. The exterior surface of this hose is solid rubber, so there are no crevices for debris to enter.

Durable Fittings with Deep Threads

Kodiak Hose Flare

Kodiak brake hoses have corrosion-resistant brass fittings with stainless steel flares. These fittings have a gap built into them that allows room for a line wrench - also called a flare nut wrench - to slide over the line and down to the nut. This type of wrench grips the nut better than a standard open-ended wrench so there is less chance of stripping the threads as you tighten down the nut.

The stainless steel that is used to create the flares on this hose is stronger than brass. As a result, these fittings are more durable than ones made entirely of brass. The stainless flares are primarily designed to keep the fittings from splitting when you tighten them down, but they offer absolute rust protection as well.

Kodiak's fittings have deeper threads than many other fittings on the market to provide a higher thread engagement. Deeper threads offer an advantage when used with fittings that have the same thread depth. These Kodiak fittings will work with most fittings on the market, but when they're used with other Kodiak fittings, the result is a stronger connection with fewer leaks.

BH-3MFS-180 Kodiak 1/8" ID Rubber Brake Hose - 3/16" MFFN with Male Swivels - 180"

Customer Reviews

Kodiak Hydraulic Brake Hose - 3/16" Male Fittings w/ Stainless Flares - 1/8" ID - 15' - bh-3mfs-15

Average Customer Rating:  4.9 out of 5 stars   (12 Customer Reviews)

This flexible, rubber brake line acts as part of a trailer's hydraulic braking system. Stainless steel flares, brass fittings, and a high thread engagement help prevent splits, corrosion, and leaks. Includes 2 standard male flare nut fittings.

- BH-3MFS-15

The project I've got is a ShoreLander boat trailer with a single axle hydraulic surge brake. The hydraulic coupler, 15' brake line, backing plates and wheel bearings were all replaced. Etrailer had all the parts and of superior quality. The brake line was replaced with rubber hose style and should give many years more than the steel line that was OEM. Along with marine wheel bearing grease this trailer is soon to be back on the road and ready to recover & launch on the pacific coast in Oregon. Etrailer gets a, Well Done", in my opinion. Thank you Etrailer. 172163

- bh-3mfs-15

Great prices, fast shipping :) 659098

- bh-3mfs-15

Part arrived on time and was a good pri ce 612954

- bh-3mfs-15

The product is good as expected but the service from etrailer is fantastic all of the items I've ordered so far have been in stock and shipped immediately. Thank You 607041

- bh-3mfs-15

Hefty good product! 604011

- bh-3mfs-15

Fantastic service, very knowledgeable, everyone at etrailer knows there products they sell. Customer service is like shopping at Nordstrom, I been been shopping for many years and continue to as I need product. Thank you etrailer. 546576

- bh-3mfs-15

Just, what expected. 541885

- bh-3mfs-15

The long stem made it challenging to thread through the hole in the trailer frame. Otherwise I'd give it 5 stars. 516849

- bh-3mfs-15

Met all expectations. 503988

- bh-3mfs-15

I redid the brake system on my bass boat trailer last year, and used the Kodiak brake lines. I couldn't be happier. Great product, great performance, and great customer service. I replaced metal lines (along with master cylinder and brake assemblies on the axles) on my 30 year old boat trailer that had gotten gunked up over time. These lines were easy to install, easy to secure to the trailer rails, and have performed flawlessly. I drove the boat to a lake 250 miles away from home last weekend, and it still stops like a dream. 391242

- bh-3mfs-15

Best quality part and part was cheaper than others and served the purpose plan to use them if I need any future if I need anymore bake lines in the future 358163

Better than imagined still holding tuff and is flexible transmission lines
Josh - 03/24/2018


- BH-3MFS-15

Quick delivery, excellent customer service and great prices, as usual. When I installed the Brake Fluid Master Cylinder reservoir on the coupler. It was a bit oversized in height. Finally was able to bolt on. Then when I was screwing in the four top bolts to hold the reservoir in place, one of the bolts snapped off in the housing. It will have to be extruded somehow. Brake lines - no problem. Dale 219846


Ask the Experts about this Kodiak Accessories and Parts

  • How To Manage Excess Hydraulic Brake Hose Length on Boat Trailer
    Thanks for the photos of your trailer! To manage the excess length of the Kodiak Hydraulic Brake Hose # bh-3mgs-18 you can certainly coil up the excess and secure it with a zip tie. Another option is to route the hose along the trailer so that the excess line is used. However you choose to secure the excess hose, keep in mind that you will want to ensure that the hose does not hang down below the trailer's frame. If you find that a shorter amount of hose can be used, Kodiak also offers...
    view full answer...
  • Replacement Master Cylinder For 1984 Trail-Mate Boat Trailer With Dico 10 Surg-O-Matic Actuator
    If you have drum brakes on your Trail-Rite boat trailer, the correct replacement master cylinder you need is part # T2374400. You would also need the replacement orifice, part # T1209800. If you have disc brakes on your trailer the master cylinder you need is part # T4747100. For a reverse lock out solenoid, you will need the Solenoid Valve with Fittings for Reverse Lockout part # T4748800. This solenoid comes with the necessary fittings and installs in-line with the system. The 15...
    view full answer...

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Info for this part was:

Edited by:
Lindsey S
Installed by:
Jeff D
Installed by:
David F
Updated by:
Adele M
Updated by:
Sarah W
Updated by:
Mike S
Video Edited:
Dustin K
Written by:
Lisa S

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